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Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.78 m from the grating. In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.02 mm. What is the difference between these wavelengths?
A 50.0 ball of clay traveling east at 8.00 collides and sticks together with a 40.0 ball of clay traveling north at 8.00. Illustrate what is the speed of the resulting ball of clay?
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.40 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries charge q, and ball B carries charge 2q.
what is the shortest height a plane mirror must be so that a person 1.60 meters tall is able to see his or her whole body.
What is the magnetic flux passing through Ring 2 due to A and derive an expression for the induced emf in Ring 2, 62? How much current flows in Ring 2 and in which direction?
A gymnast with mass m1 = 43 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.80{Hz}. Illustrate what is the mass of the fish, ignoring the mass of the spring.
a branch is wedged under a rock and rests on a small object. the small object is 1.5 m from the large rock and the branch is 11.0 m long. what force must be exerted on the smaller rock
Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20? C undergo an isobaric expansion until the volume has tripled. What is the gas volume after the expansion
The depth of the Pacific Ocean in the Mariana Trench is 36,198 ft. What is the gauge pressure at this depth
q1. a 2.90-m-long 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2? R2 and R3 are parallel so these need to be treated with R1 as Requiv = R1+ (R2*R3)/R2+R3 but don't know where to ..
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